package sss;

import java.util.Scanner;

public class Sentence1 {
	public static void main(String[] args) {
		int s;
		Scanner in=new Scanner(System.in);
		System.out.println("请输入您要查询的成绩：");
		s=in.nextInt();
		if(s>=90)System.out.println("您的成绩：优秀");
		else if(s>=80)System.out.println("您的成绩：良好");
		else if(s>=60)System.out.println("您的成绩：合格");
		else System.out.println("您的成绩：不合格");
		
		
		
		
		
	}

}
